Clamshell package



FIG. 1 is a front perspective view of a clamshell package, showing my new design in an open position taken from the top left;

FIG. 2 is a front perspective view thereof in a half open position taken from the top right;

FIG. 3 is a front perspective view thereof in a closed position taken from the top right;

FIG. 4 is a front perspective view thereof in a partially open position taken from the top right;

FIG. 5 is a rear perspective view thereof in the open position shown in FIG. 1 taken from the bottom right;

FIG. 6 is a top plan view thereof;

FIG. 7 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front elevation view thereof; and,

FIG. 10 is a rear elevation view thereof.

The broken lines showing in FIGS. 5, 6 and FIG. 8 show unclaimed subject matter only and form no part of the claimed design. 

The ornamental design for a clamshell package, as shown and described. 